Grease-cup and means for filling the same.



l. W. JACOBSON.

GREASE CUP AND MEANS EoR Emma THE SAME.

APPLICATION HLED FEB- 7, 19H5. aQ, Patented June 6, 14316 2 SHEETS-SHEET X.

J. W. IACOBSGN.

GREASE CUP AND MEANS FOR FILLING THE SAME.

APPLICATION FILED FEB. I9I6. I

PatentedJune 6, 1916.

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JACOB `7. JACOBSON, OF HANCOCK, .`lE1l.CHIC-rAN.y

GREASE-cur AND MEANS ron FILLING THE SAME insegno.

To all whom t may concern: y i

Be it known that I, JACOB W. JAcoBsoN,

a citizen 'of the UnitedStates, residing at Hancock, in the county of Houghton and State of Michigan, have invented new and useful Improvements-inV Grease-Cups and Means for Filling the'Same, of which the following is a specification.

This invention relates to improvements w in grease cup lubricators and 'grease guns,

or means 4for keeping th grease cup supplied with lubricant, the invention embodying. an ordinary container for the grease and means for attachment to the container and to the grease cup to force the grease from the container to the cup and without the necessity of first opening the container, removing any of the contents thereof, or exposing the contents ,to the Vair and dirt and also without danger of soiling the hands while filling the grease cup from the container.

The invention consistsin the construction, combination, and arrangement of devices, hereinafter described and claimed, reference 'being had to the accompanying drawings, in whichi Y' Figure 1 is a vertical sectinal view of a grease cup, a container and means for transferring lubricant from the container to the grease cup and constructed in accordance with my invention, showing the same in operative relation. Fig. 2 is a` sectional view of the container on the plane indicated by l the line -a of Fig. 1 and showing the extractor scraper in plan. Fig. 3 is a detail sectional view of the container with its cover and base attached. Fig. f1 is a detail` inverted plan of the container base. Fig. 5

' 4@ is a detail-plan of the cup and showing the valve.' Fig. 6 is a. detail sectional view of the valve. f

In the embodiment of my invention, `I provide a container 1 for the grease or lubri- A eecant and in which the same is packed,

shipped, and placed upon the market. The container comprises a' cylindrical wall 2,' made of sheet metal, and which is spirally threaded as at 3 by rolling or pressing the 'same, the spiral thread extending from the upper end of the-,wall to the lower end. thereof. A cover 4 is provided for the container, which cover hasa spil-ally threaded flange or apron 5 adapting the cover to be screwed on the upper end of the container. The base 6 of the container is circular, forms `-which is. exteriorly threaded at the upper end as at 10 and is provided with a bottom or base 11 which has 'the usual downwardly extending threaded stem 12 for attaching Specification of Letters Patent. Y Patented Jun@ 3,- jlgj Application led February 7, 1916. Serial N o. 76,810. n

the cup to a bearing or other machine elef' ment and the said base has an extension 13 at one side and is provided with a transverse tapered bore 14. A tapered valve plug 15 is mounted in the'bore and is provided at its smaller end with a securing l screw 16 and washer 17 The valve plug isprovided in one side with a channel 18 land also has a transverse Abore 19 and a bore 20 at right` angles to and communicating with the bore with the bore 21 which extends through the '19, said bores 19 and 20 being coincident leading to the interior ofthe cup from. the

v'inner end of the channel 18 and the eXtension of the base is provided with a downwardly tapered socket bore 22 to communicate with the outer end of the valve plug channel 18. At the outer lend of thevalve plug channel is a lever arm 23 to enable lthe valve plug to be` turned and said lever arm has a cover 24attached thereto which when the valve plug is turned to close the cut-off bore 20, and larrange the bore 19 in line with the bore 20 and thereby provide for thefrpasd sage of lubricant from'the grease cup to the bearing or mach-ine element, closes the upper end of the`socket bore 22.

When the valve f i plug is turned to open the upperend of the socket bore, the bore 19 will be arranged'at right angles to and out off in the bore 2'1 so that no grease can pass from the'cup to the bearing or other machine element'.

A cap 26 isthreaded on theupper end of .i

Vthe grease vcup and has a threaded central opening 27 in which a nut 28'is threaded.

A piston-29 operates in thezcup, has a packi1'1g30 and retaining ring nut 31, therefor,

and said piston has 'a threaded .stem 32 which operates in athreaded bore in the center of the nut and isV provided at its upper end with ajknob or turning wheel 23.

The means for supplying the'cup with lubricating grease* from thecontainer 4oomprises la presser and scraper head 34 having a tubular stem 35, a connecting tube. 36

coupled to the discharge end' of the tubular v stem 35, andy a *nozzle 37 coupled to. the

of the cup. The presser and scraper head comprises a circular disk exteriorly threaded. for engagement in the spiral threads 3 of the container, so that the presser head can be screwed into the container after the cover has been moved from the container, the container being inverted. rlhe presser and scraper head is also provided with radial scraper arms 38. A tubular central portion 39 connecting the inner end of the arms and said presser and scraper head is formed on its under side with a funnel shaped portion 40 which connects its outer annular wall with the upper end of the tubular stem 35. As the presser head is screwed into the container, it compresses the lubricant therein so as to force the lubricant forwardly from the container through the tubular stem 35, the connecting tube 36 and the nozzle in the lower part of the grease cup below the piston 29, the valve 13 having been first opened as will be understood.

The container is turned on the presserl and aisance with scraping devices to act on the bottomv -of the mass of lubricant in the container.

scraper head by grasping the base 7,' thescraper arms 38 serving to scrape material from' the bottom of the same and cause it to pass freely down through the funnel shapedV portion and connecting tubes and nozzle to the grease cup. 'To enable the stem 35 and,

the nozzle to be held against rotationwhile the lcontainer is being thus screwed on the presser and scraper head, the` said tubular stem 35 is provided with a hand Wheel 41 and said nozzlev is provided`with a hand wheel 42. rlhis construction enables lubrior other foreign. substance becoming mixed with the lubricant and without permitting air to get into the grease cup below the piston thereof. To secure'the nozzlein its attached relation to the grease cup, the nozzle is provided with a bayonet slot 43 and the base of thergreasecup is provided with a j' locking -ping44 .which projects slightly into the socket .22 and coacts with the said bayonet slot as will understood.

After the grease cup has been filled, the

valveplug should be turned to arrange its outlet or discharge bore 19 in line with thebore 21 of the grease cu base, and the nozzle should be detached rom the base of the grease cup, the arranging of the valve plug,

VVV2. ln combination with'a grease cup provided with force feed means and also provided with a base having a socket and a valve to control the passage of lubricant from the' socket to the cup, a container having a screw threaded Icylindrical wall, a presser head adapted to be screwed in the container, a. discharge tubular stem leading from the under side of the presser head, a nozzle connected to said stem andradapted ltp be fitted, in the socket of the grease cup ase.

o 3. ln combination with a grease cup pro-I vided with force feed means and also pro-` vided with a4 base having a socket and a valve to control the passager of lubricant from lthe socket to the cup, a container having a screw vthreaded cylindrical wall, a presser head adapted to lie-screwed in the container, a discharge tubular stem leading from the under side of the presser head, a nozzle connected to said stem and adapted to be fitted in the socket of the grease cup base, said tubular stem and said nozzle having means-to prevent them from being rotated.

4. In combination with a grease cup pro# vided with force feed means and also provided with a base having a socket and a valve to control the passage of lubricant from the socket to the cup, a container having a screw' threaded cylindrical wall, a presser head adapted to be screwed in the container, a nozzle connected to saidstem 'and adapted to be fitted'in the socket of the grease cup base, and a valve in the base of the grease cup and having means to close said. socket, when the nozzle is detached therefrom.

In testimony whereofl afHX my signature in presence of two witnesses.

y. JACOB W. JACOBSON. VVitnesses':

ll?. W. SPERR, D. J. FRAMPTON. 

